Mechanical Behavior of Materials |
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Page 7
... stress - strain curve . ( a ) Following linear elastic deformation , plastic flow commences at a stress approximately equal to the yield strength , σ ,. Following yielding , the material work hardens ; the stress required to continue ...
... stress - strain curve . ( a ) Following linear elastic deformation , plastic flow commences at a stress approximately equal to the yield strength , σ ,. Following yielding , the material work hardens ; the stress required to continue ...
Page 600
... Stress amplitude vs. number of cycles for " history - independent " materials . The steady - state stress amplitude ... strain curve is the loci of points representing the steady - state stress amplitude as a function of plastic strain ...
... Stress amplitude vs. number of cycles for " history - independent " materials . The steady - state stress amplitude ... strain curve is the loci of points representing the steady - state stress amplitude as a function of plastic strain ...
Page 694
Thomas H. Courtney. Stress σ Failure mode Critical stress Honeycomb CHAPTER 14 Cellular Solids Elastic buckling σel ... strain at the plateau stress is independent of material prop- erties . For example , σ * ( the elastic buckling stress ...
Thomas H. Courtney. Stress σ Failure mode Critical stress Honeycomb CHAPTER 14 Cellular Solids Elastic buckling σel ... strain at the plateau stress is independent of material prop- erties . For example , σ * ( the elastic buckling stress ...
Contents
Overview of Mechanical Behavior | 1 |
Toughening Mechanisms and the Physics of Fracture | 10 |
A The Tension Test B StrainRate Sensitivity C Yielding Under | 28 |
Copyright | |
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alloys applied stress behavior bonding brittle Burgers vector ceramics Chap CHAPTER Coble creep composite crack growth crack propagation crack tip creep fracture creep rate Crystalline Materials cubic curve cyclical decreases diffusional discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation example fatigue fiber Figure flow stress Fracture Mechanics fracture toughness glass grain boundaries hardening high-temperature increases initial length linear elastic loading low-temperature martensite material's matrix mechanism map microscopic MN/mē Mode modulus nucleation obstacles particle phase plastic deformation plastic flow plastic strain polycrystalline polycrystals polymers precipitation Prob ratio region result Schematic screw dislocation SECTION shear stress shown in Fig single crystal slip direction slip plane slip systems solids solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place temperature tensile strength tensile stress tion toughening transition viscoelastic volume fraction yield strength